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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DIRAPI-255) An escaped space at the end of a RDN will not be kept due to a bug in the ComplexDNParser
Date Wed, 07 Oct 2015 14:51:27 GMT
Emmanuel Lecharny created DIRAPI-255:
----------------------------------------

             Summary: An escaped space at the end of a RDN will not be kept due to a bug in
the ComplexDNParser
                 Key: DIRAPI-255
                 URL: https://issues.apache.org/jira/browse/DIRAPI-255
             Project: Directory Client API
          Issue Type: Bug
    Affects Versions: 1.0.0-M31
            Reporter: Emmanuel Lecharny
             Fix For: 1.0.0-M32


When we try to parse a DN like {{"cn=\\ a b c\\ "}}, the {{ComplexDnParser}} will remove the
last space due to this code :

{code}
attributeTypeAndValue [Rdn rdn] returns [String upName = ""]
    {
        matchedProduction( "attributeTypeAndValue()" );
        String type = null;
        UpAndNormValue value = new UpAndNormValue();
        String upValue = null;
    }
    :
    (
        ( SPACE { upName += " "; } )*
        type = attributeType { upName += type; }
        ( SPACE { upName += " "; } )*
        EQUALS { upName += "="; }
        ( SPACE 
        { 
            upName += " "; 
            
            if ( upValue == null )
            {
                upValue = " ";
            }
            else
            {
                upValue += " "; 
            } 
        } )*
        attributeValue[value] 
        {
            try
            {
                if ( value.value instanceof String )
                {
                    Object unescapedValue = Rdn.unescapeValue( Strings.trim( (String)value.rawValue
) );
...
{code}

Here, the {{trim}} method will remove the last space, no matter if there is a backslash before



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